#div1 {
	width: 200px;
	height: 200px;
	padding: 5px;
	border: 1px solid #ccc;
	position: relative;
}

#div1 .small_pic {
	width: 200px;
	height: 200px;
	background: #eee;
	position: relative;
}

#div1 .float_layer {
	width: 50px;
	height: 50px;
	border: 1px solid #000;
	background: #fff;
	filter: alpha(opacity: 30);
	opacity: 0.3;
	position: absolute;
	top: 0;
	left: 0;
	display: none;
}

#div1 .mark {
	width: 100%;
	height: 100%;
	position: absolute;
	z-index: 2;
	left: 0px;
	top: 0px;
	background: red;
	filter: alpha(opacity: 0);
	opacity: 0;
}

#div1 .big_pic {
	position: absolute;
	top: -1px;
	left: 215px;
	width: 250px;
	height: 250px;
	overflow: hidden;
	border: 2px solid #CCC;
	display: none;
}

#div1 .big_pic img {
	position: absolute;
	top: -30px;
	left: -80px
}